$(function(){
    $("#top_user_items").hide();
    $("#top_user_items").on("mouseover",function(){
        $(".top_user").addClass("mouseover");
    });
    $("#top_user_items").on("mouseout",function(){
        $(".top_user").removeClass("mouseover");
    });
    $("#top_block").on("mouseover",function(){
        $("#top_user_items").show();
    });
    $("#top_block").on("mouseout",function(){
        $("#top_user_items").hide();
    });
});
